What is "carbonatation"

Carbonatation \Car`bon*a*ta"tion\, n. [From Carbonate.] (Sugar Making) The saturation of defecated beet juice with carbonic acid gas.
--Knight.

n. (context chemistry English) A chemical reaction in which calcium hydroxide reacts with carbon dioxide to form insoluble calcium carbonate.

Carbonatation is a chemical reaction in which calcium hydroxide reacts with carbon dioxide and forms insoluble calcium carbonate:

The process of forming a carbonate is sometimes referred to as " carbonation", although this term usually refers to the process of dissolving carbon dioxide in water.